EP0239230A3 - Current-collecting brush apparatus - Google Patents

Current-collecting brush apparatus Download PDF

Info

Publication number
EP0239230A3
EP0239230A3 EP87301469A EP87301469A EP0239230A3 EP 0239230 A3 EP0239230 A3 EP 0239230A3 EP 87301469 A EP87301469 A EP 87301469A EP 87301469 A EP87301469 A EP 87301469A EP 0239230 A3 EP0239230 A3 EP 0239230A3
Authority
EP
European Patent Office
Prior art keywords
current
collecting brush
brush apparatus
collecting
brush
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP87301469A
Other versions
EP0239230A2 (en
EP0239230B1 (en
Inventor
Takashi Watanabe
Masao Ohi
Koji Tanaka
Yoshio Takikawa
Yasuto Kondoh
Satoshi Oouchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Engineering and Services Co Ltd
Hitachi Ltd
Original Assignee
Hitachi Service Engineering Co Ltd
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Service Engineering Co Ltd, Hitachi Ltd filed Critical Hitachi Service Engineering Co Ltd
Publication of EP0239230A2 publication Critical patent/EP0239230A2/en
Publication of EP0239230A3 publication Critical patent/EP0239230A3/en
Application granted granted Critical
Publication of EP0239230B1 publication Critical patent/EP0239230B1/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors or interrupters
    • H01R39/02—Details for dynamo electric machines
    • H01R39/46—Auxiliary means for improving current transfer, or for reducing or preventing sparking or arcing
EP87301469A 1986-02-21 1987-02-20 Current-collecting brush apparatus Expired EP0239230B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP61035304A JPS62195871A (en) 1986-02-21 1986-02-21 Collector brush
JP35304/86 1986-02-21

Publications (3)

Publication Number Publication Date
EP0239230A2 EP0239230A2 (en) 1987-09-30
EP0239230A3 true EP0239230A3 (en) 1988-03-30
EP0239230B1 EP0239230B1 (en) 1992-01-29

Family

ID=12438043

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87301469A Expired EP0239230B1 (en) 1986-02-21 1987-02-20 Current-collecting brush apparatus

Country Status (4)

Country Link
US (1) US4748363A (en)
EP (1) EP0239230B1 (en)
JP (1) JPS62195871A (en)
CA (1) CA1266296A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008125202A (en) * 2006-11-10 2008-05-29 Hitachi Appliances Inc Brush device for commutator motor and vacuum cleaner

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2042810A (en) * 1979-03-06 1980-09-24 Roose V Heavy-duty precision wire- wound alternating-current resistor and method of making the same
US4409508A (en) * 1981-05-11 1983-10-11 Hitachi, Ltd. Brush holder with coated clamp for dynamo-electric machine
CA1169463A (en) * 1981-04-16 1984-06-19 Ernie C. Herod Capacitive brush construction for a dc machine

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US837889A (en) * 1904-02-06 1906-12-04 William H Jacobs Means for commutating motor and other electric currents.
US1038861A (en) * 1908-03-06 1912-09-17 Wladimir Doinikoff Alternating-current commutator dynamo-electric machine.
GB147818A (en) * 1915-10-13 1921-10-06 British Thomson Houston Co Ltd Improvements in and relating to dynamo electric machines
GB464679A (en) * 1935-09-20 1937-04-20 Ottomar Kasperowski Improvements connected with commutator and like brushes
DE890540C (en) * 1939-02-23 1953-09-21 Conradty Fa C Electric machines with coal collectors
US2618768A (en) * 1947-04-16 1952-11-18 Vickers Herbert Polyphase alternating current commutator motors
NL295215A (en) * 1963-07-11
US3577025A (en) * 1968-06-07 1971-05-04 Union Carbide Corp Clip for carbon brushes
JPS498361A (en) * 1972-05-13 1974-01-24
JPS53145004A (en) * 1977-05-23 1978-12-16 Matsushita Electric Works Ltd Preventive apparatus against motor-noise
US4337407A (en) * 1980-04-29 1982-06-29 Westinghouse Electric Corp. Insulated strand brushes

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2042810A (en) * 1979-03-06 1980-09-24 Roose V Heavy-duty precision wire- wound alternating-current resistor and method of making the same
CA1169463A (en) * 1981-04-16 1984-06-19 Ernie C. Herod Capacitive brush construction for a dc machine
US4409508A (en) * 1981-05-11 1983-10-11 Hitachi, Ltd. Brush holder with coated clamp for dynamo-electric machine

Also Published As

Publication number Publication date
US4748363A (en) 1988-05-31
JPS62195871A (en) 1987-08-28
EP0239230A2 (en) 1987-09-30
CA1266296A (en) 1990-02-27
EP0239230B1 (en) 1992-01-29

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